I would love to see this happening, but it seems to me that the Store is prevalent in how things go now. Maybe I'm wrong, but I get the impression that Turbine would rather players buy mounts with RL money by TP.
I'll tell you what I would love. A high level plain rep mount with no silly flags or multi colored gaudy horse blankets.
Life is not a journey to the grave with the intention of arriving safely in a well preserved body, but rather to skid in broadside, totally worn out & proclaiming "WOW, what a ride!"
Continuing the never ending battle to keep Lobelia Sackville-Baggins in check